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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.katesoft.scale4j.common.utils;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> com.katesoft.scale4j.common.annotation.NullSafe;
<a class="jxr_linenumber" name="4" href="#4">4</a>   
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.util.StringTokenizer;
<a class="jxr_linenumber" name="6" href="#6">6</a>   
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * @author Santhosh Kumar T</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> * @author kate2007</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/katesoft/scale4j/common/utils/StringUtility.html">StringUtility</a>
<a class="jxr_linenumber" name="12" href="#12">12</a>  {
<a class="jxr_linenumber" name="13" href="#13">13</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment">     * if &lt;code&gt;obj&lt;/code&gt; is null, returns empty string. otherwise returns &lt;code&gt;obj.toString()&lt;/code&gt;</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_javadoccomment">     * @param obj any ref you want</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_javadoccomment">     * @return &lt;code&gt;obj&lt;/code&gt; or &lt;code&gt;obj.toString()&lt;/code&gt;</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String toString(Object obj)
<a class="jxr_linenumber" name="21" href="#21">21</a>      {
<a class="jxr_linenumber" name="22" href="#22">22</a>          <strong class="jxr_keyword">return</strong> obj == <strong class="jxr_keyword">null</strong> ? <span class="jxr_string">""</span> : obj.toString();
<a class="jxr_linenumber" name="23" href="#23">23</a>      }
<a class="jxr_linenumber" name="24" href="#24">24</a>  
<a class="jxr_linenumber" name="25" href="#25">25</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment">     * returns true if &lt;code&gt;str&lt;/code&gt; is null or its length is zero</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment">     * @param str any char sequence you want</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment">     * @return true if &lt;code&gt;str&lt;/code&gt; is null or its length is zero.</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isEmpty(CharSequence str)
<a class="jxr_linenumber" name="33" href="#33">33</a>      {
<a class="jxr_linenumber" name="34" href="#34">34</a>          <strong class="jxr_keyword">return</strong> str == <strong class="jxr_keyword">null</strong> || str.length() == 0;
<a class="jxr_linenumber" name="35" href="#35">35</a>      }
<a class="jxr_linenumber" name="36" href="#36">36</a>  
<a class="jxr_linenumber" name="37" href="#37">37</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">     * returns true if &lt;code&gt;str&lt;/code&gt; is null or it contains only white spaces.</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">     * {@link Character#isWhitespace(char)} is used to test for whitespace</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment">     * @param str any char sequence you want</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment">     * @return true if &lt;code&gt;str&lt;/code&gt; is null or it contains only white spaces.</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>      @NullSafe
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isWhitespace(CharSequence str)
<a class="jxr_linenumber" name="48" href="#48">48</a>      {
<a class="jxr_linenumber" name="49" href="#49">49</a>          <strong class="jxr_keyword">if</strong> (str != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="50" href="#50">50</a>              <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; str.length(); i++) {
<a class="jxr_linenumber" name="51" href="#51">51</a>                  <strong class="jxr_keyword">if</strong> (!Character.isWhitespace(str.charAt(i))) { <strong class="jxr_keyword">return</strong> false; }
<a class="jxr_linenumber" name="52" href="#52">52</a>              }
<a class="jxr_linenumber" name="53" href="#53">53</a>          }
<a class="jxr_linenumber" name="54" href="#54">54</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="55" href="#55">55</a>      }
<a class="jxr_linenumber" name="56" href="#56">56</a>  
<a class="jxr_linenumber" name="57" href="#57">57</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">     * Splits given string into tokens with delimiters specified. It uses StringTokenizer for tokenizing.</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     * @param str   string to be tokenized</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     * @param delim delimiters used for tokenizing</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     * @param trim  trim the tokens</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment">     * @return non-null token array</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String[] getTokens(String str,
<a class="jxr_linenumber" name="67" href="#67">67</a>                                       String delim,
<a class="jxr_linenumber" name="68" href="#68">68</a>                                       <strong class="jxr_keyword">boolean</strong> trim)
<a class="jxr_linenumber" name="69" href="#69">69</a>      {
<a class="jxr_linenumber" name="70" href="#70">70</a>          StringTokenizer stok = <strong class="jxr_keyword">new</strong> StringTokenizer(str, delim);
<a class="jxr_linenumber" name="71" href="#71">71</a>          String tokens[] = <strong class="jxr_keyword">new</strong> String[stok.countTokens()];
<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; tokens.length; i++) {
<a class="jxr_linenumber" name="73" href="#73">73</a>              tokens[i] = stok.nextToken();
<a class="jxr_linenumber" name="74" href="#74">74</a>              <strong class="jxr_keyword">if</strong> (trim) { tokens[i] = tokens[i].trim(); }
<a class="jxr_linenumber" name="75" href="#75">75</a>          }
<a class="jxr_linenumber" name="76" href="#76">76</a>          <strong class="jxr_keyword">return</strong> tokens;
<a class="jxr_linenumber" name="77" href="#77">77</a>      }
<a class="jxr_linenumber" name="78" href="#78">78</a>  
<a class="jxr_linenumber" name="79" href="#79">79</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     * Converts first character in &lt;code&gt;str&lt;/code&gt; to uppercase.</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">     * This method can be called on string of any length.</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     * @param str string to be converted</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * @return string with first letter changed to uppercase</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String capitalize(String str)
<a class="jxr_linenumber" name="89" href="#89">89</a>      {
<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">if</strong> (str == <strong class="jxr_keyword">null</strong>) { <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; }
<a class="jxr_linenumber" name="91" href="#91">91</a>          <strong class="jxr_keyword">switch</strong> (str.length()) {
<a class="jxr_linenumber" name="92" href="#92">92</a>              <strong class="jxr_keyword">case</strong> 0:
<a class="jxr_linenumber" name="93" href="#93">93</a>                  <strong class="jxr_keyword">return</strong> str;
<a class="jxr_linenumber" name="94" href="#94">94</a>              <strong class="jxr_keyword">case</strong> 1:
<a class="jxr_linenumber" name="95" href="#95">95</a>                  <strong class="jxr_keyword">return</strong> str.toUpperCase();
<a class="jxr_linenumber" name="96" href="#96">96</a>              <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="97" href="#97">97</a>                  <strong class="jxr_keyword">return</strong> Character.toUpperCase(str.charAt(0)) + str.substring(1);
<a class="jxr_linenumber" name="98" href="#98">98</a>          }
<a class="jxr_linenumber" name="99" href="#99">99</a>      }
<a class="jxr_linenumber" name="100" href="#100">100</a> 
<a class="jxr_linenumber" name="101" href="#101">101</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">     * Makes an underscored form from the expression in the string.</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">     * Examples: &lt;pre class="prettyprint"&gt;</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment">     * underscore("activeRecord")   "active_record"</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     * underscore("ActiveRecord")    "active_record"</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * underscore("firstName")       "first_name"</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * underscore("FirstName")        "first_name"</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * underscore("name")              "name" &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     * @param camelCaseWord the camel-cased word that is to be converted;</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     * @return a lower-cased version of the input, with separate words delimited by the underscore character.</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="120" href="#120">120</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String underscore(String camelCaseWord)
<a class="jxr_linenumber" name="121" href="#121">121</a>     {
<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">if</strong> (camelCaseWord == <strong class="jxr_keyword">null</strong>) { <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; }
<a class="jxr_linenumber" name="123" href="#123">123</a>         camelCaseWord = camelCaseWord.trim();
<a class="jxr_linenumber" name="124" href="#124">124</a>         <strong class="jxr_keyword">if</strong> (camelCaseWord.length() == 0) { <strong class="jxr_keyword">return</strong> <span class="jxr_string">""</span>; }
<a class="jxr_linenumber" name="125" href="#125">125</a>         camelCaseWord = camelCaseWord.replaceAll(<span class="jxr_string">"([A-Z]+)([A-Z][a-z])"</span>, <span class="jxr_string">"$1_$2"</span>);
<a class="jxr_linenumber" name="126" href="#126">126</a>         camelCaseWord = camelCaseWord.replaceAll(<span class="jxr_string">"([a-z&#92;&#92;d])([A-Z])"</span>, <span class="jxr_string">"$1_$2"</span>);
<a class="jxr_linenumber" name="127" href="#127">127</a>         <strong class="jxr_keyword">return</strong> camelCaseWord.toLowerCase();
<a class="jxr_linenumber" name="128" href="#128">128</a>     }
<a class="jxr_linenumber" name="129" href="#129">129</a> 
<a class="jxr_linenumber" name="130" href="#130">130</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">     * Turns a non-negative number into an ordinal string used to denote the position in an ordered sequence, such as 1st, 2nd, 3rd, 4th</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * @param number the non-negative number</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">     * @return the string with the number and ordinal suffix</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="137" href="#137">137</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String ordinalize(<strong class="jxr_keyword">int</strong> number)
<a class="jxr_linenumber" name="138" href="#138">138</a>     {
<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">int</strong> modulo = number % 100;
<a class="jxr_linenumber" name="140" href="#140">140</a>         <strong class="jxr_keyword">if</strong> (modulo &gt;= 11 &amp;&amp; modulo &lt;= 13) { <strong class="jxr_keyword">return</strong> number + <span class="jxr_string">"th"</span>; }
<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">switch</strong> (number % 10) {
<a class="jxr_linenumber" name="142" href="#142">142</a>             <strong class="jxr_keyword">case</strong> 1:
<a class="jxr_linenumber" name="143" href="#143">143</a>                 <strong class="jxr_keyword">return</strong> number + <span class="jxr_string">"st"</span>;
<a class="jxr_linenumber" name="144" href="#144">144</a>             <strong class="jxr_keyword">case</strong> 2:
<a class="jxr_linenumber" name="145" href="#145">145</a>                 <strong class="jxr_keyword">return</strong> number + <span class="jxr_string">"nd"</span>;
<a class="jxr_linenumber" name="146" href="#146">146</a>             <strong class="jxr_keyword">case</strong> 3:
<a class="jxr_linenumber" name="147" href="#147">147</a>                 <strong class="jxr_keyword">return</strong> number + <span class="jxr_string">"rd"</span>;
<a class="jxr_linenumber" name="148" href="#148">148</a>             <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="149" href="#149">149</a>                 <strong class="jxr_keyword">return</strong> number + <span class="jxr_string">"th"</span>;
<a class="jxr_linenumber" name="150" href="#150">150</a>         }
<a class="jxr_linenumber" name="151" href="#151">151</a>     }
<a class="jxr_linenumber" name="152" href="#152">152</a> 
<a class="jxr_linenumber" name="153" href="#153">153</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong>[] toCodePoints(String str)
<a class="jxr_linenumber" name="154" href="#154">154</a>     {
<a class="jxr_linenumber" name="155" href="#155">155</a>         <strong class="jxr_keyword">int</strong> count = str.codePointCount(0, str.length());
<a class="jxr_linenumber" name="156" href="#156">156</a>         <strong class="jxr_keyword">int</strong>[] codePoints = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[count];
<a class="jxr_linenumber" name="157" href="#157">157</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> cpIndex = 0, charIndex = 0; cpIndex &lt; count; cpIndex++) {
<a class="jxr_linenumber" name="158" href="#158">158</a>             <strong class="jxr_keyword">int</strong> cp = str.codePointAt(charIndex);
<a class="jxr_linenumber" name="159" href="#159">159</a>             codePoints[cpIndex] = cp;
<a class="jxr_linenumber" name="160" href="#160">160</a>             charIndex += Character.charCount(cp);
<a class="jxr_linenumber" name="161" href="#161">161</a>         }
<a class="jxr_linenumber" name="162" href="#162">162</a>         <strong class="jxr_keyword">return</strong> codePoints;
<a class="jxr_linenumber" name="163" href="#163">163</a>     }
<a class="jxr_linenumber" name="164" href="#164">164</a> 
<a class="jxr_linenumber" name="165" href="#165">165</a>     <em class="jxr_comment">/*<em class="jxr_comment">-------------------------------------------------[ Literal ]---------------------------------------------------*/</em></em>
<a class="jxr_linenumber" name="166" href="#166">166</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String toLiteral(<strong class="jxr_keyword">char</strong> ch,
<a class="jxr_linenumber" name="167" href="#167">167</a>                                    <strong class="jxr_keyword">boolean</strong> useRaw)
<a class="jxr_linenumber" name="168" href="#168">168</a>     {
<a class="jxr_linenumber" name="169" href="#169">169</a>         <strong class="jxr_keyword">if</strong> (ch == '\'') { <strong class="jxr_keyword">return</strong> <span class="jxr_string">"&#92;&#92;'"</span>; }
<a class="jxr_linenumber" name="170" href="#170">170</a>         <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (ch == '&quot;') { <strong class="jxr_keyword">return</strong> <span class="jxr_string">"\&quot;"</span>; }
<a class="jxr_linenumber" name="171" href="#171">171</a>         <strong class="jxr_keyword">else</strong> { <strong class="jxr_keyword">return</strong> StringUtility.toLiteral(String.valueOf(ch), useRaw); }
<a class="jxr_linenumber" name="172" href="#172">172</a>     }
<a class="jxr_linenumber" name="173" href="#173">173</a> 
<a class="jxr_linenumber" name="174" href="#174">174</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String toLiteral(CharSequence str,
<a class="jxr_linenumber" name="175" href="#175">175</a>                                    <strong class="jxr_keyword">boolean</strong> useRaw)
<a class="jxr_linenumber" name="176" href="#176">176</a>     {
<a class="jxr_linenumber" name="177" href="#177">177</a>         StringBuffer buf = <strong class="jxr_keyword">new</strong> StringBuffer(str.length() + 25);
<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, len = str.length(); i &lt; len; i++) {
<a class="jxr_linenumber" name="179" href="#179">179</a>             <strong class="jxr_keyword">char</strong> c = str.charAt(i);
<a class="jxr_linenumber" name="180" href="#180">180</a>             <strong class="jxr_keyword">switch</strong> (c) {
<a class="jxr_linenumber" name="181" href="#181">181</a>                 <strong class="jxr_keyword">case</strong> '\b':
<a class="jxr_linenumber" name="182" href="#182">182</a>                     buf.append(<span class="jxr_string">"&#92;&#92;b"</span>);
<a class="jxr_linenumber" name="183" href="#183">183</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="184" href="#184">184</a>                 <strong class="jxr_keyword">case</strong> '\t':
<a class="jxr_linenumber" name="185" href="#185">185</a>                     buf.append(<span class="jxr_string">"&#92;&#92;t"</span>);
<a class="jxr_linenumber" name="186" href="#186">186</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="187" href="#187">187</a>                 <strong class="jxr_keyword">case</strong> '\n':
<a class="jxr_linenumber" name="188" href="#188">188</a>                     buf.append(<span class="jxr_string">"&#92;&#92;n"</span>);
<a class="jxr_linenumber" name="189" href="#189">189</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="190" href="#190">190</a>                 <strong class="jxr_keyword">case</strong> '\f':
<a class="jxr_linenumber" name="191" href="#191">191</a>                     buf.append(<span class="jxr_string">"&#92;&#92;f"</span>);
<a class="jxr_linenumber" name="192" href="#192">192</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="193" href="#193">193</a>                 <strong class="jxr_keyword">case</strong> '\r':
<a class="jxr_linenumber" name="194" href="#194">194</a>                     buf.append(<span class="jxr_string">"&#92;&#92;r"</span>);
<a class="jxr_linenumber" name="195" href="#195">195</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="196" href="#196">196</a>                 <strong class="jxr_keyword">case</strong> '\&quot;':
<a class="jxr_linenumber" name="197" href="#197">197</a>                     buf.append(<span class="jxr_string">"&#92;&#92;\&quot;"</span>);
<a class="jxr_linenumber" name="198" href="#198">198</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="199" href="#199">199</a>                 <strong class="jxr_keyword">case</strong> '&#92;&#92;':
<a class="jxr_linenumber" name="200" href="#200">200</a>                     buf.append(<span class="jxr_string">"&#92;&#92;&#92;&#92;"</span>);
<a class="jxr_linenumber" name="201" href="#201">201</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="202" href="#202">202</a>                 <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="203" href="#203">203</a>                     <strong class="jxr_keyword">if</strong> (c &gt;= 0x0020 &amp;&amp; (useRaw || c &lt;= 0x007f)) <em class="jxr_comment">// visible character in ascii</em>
<a class="jxr_linenumber" name="204" href="#204">204</a>                     { buf.append(c); }
<a class="jxr_linenumber" name="205" href="#205">205</a>                     <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="206" href="#206">206</a>                         buf.append(<span class="jxr_string">"&#92;&#92;u"</span>);
<a class="jxr_linenumber" name="207" href="#207">207</a>                         String hex = Integer.toHexString(c);
<a class="jxr_linenumber" name="208" href="#208">208</a>                         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 4 - hex.length(); j &gt; 0; j--) { buf.append('0'); }
<a class="jxr_linenumber" name="209" href="#209">209</a>                         buf.append(hex);
<a class="jxr_linenumber" name="210" href="#210">210</a>                     }
<a class="jxr_linenumber" name="211" href="#211">211</a>             }
<a class="jxr_linenumber" name="212" href="#212">212</a>         }
<a class="jxr_linenumber" name="213" href="#213">213</a>         <strong class="jxr_keyword">return</strong> buf.toString();
<a class="jxr_linenumber" name="214" href="#214">214</a>     }
<a class="jxr_linenumber" name="215" href="#215">215</a> 
<a class="jxr_linenumber" name="216" href="#216">216</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String fromLiteral(String str)
<a class="jxr_linenumber" name="217" href="#217">217</a>     {
<a class="jxr_linenumber" name="218" href="#218">218</a>         StringBuffer buf = <strong class="jxr_keyword">new</strong> StringBuffer();
<a class="jxr_linenumber" name="219" href="#219">219</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0, len = str.length(); i &lt; len; i++) {
<a class="jxr_linenumber" name="220" href="#220">220</a>             <strong class="jxr_keyword">char</strong> c = str.charAt(i);
<a class="jxr_linenumber" name="221" href="#221">221</a>             <strong class="jxr_keyword">switch</strong> (c) {
<a class="jxr_linenumber" name="222" href="#222">222</a>                 <strong class="jxr_keyword">case</strong> '&#92;&#92;':
<a class="jxr_linenumber" name="223" href="#223">223</a>                     <strong class="jxr_keyword">if</strong> (i == str.length() - 1) {
<a class="jxr_linenumber" name="224" href="#224">224</a>                         buf.append('&#92;&#92;');
<a class="jxr_linenumber" name="225" href="#225">225</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="226" href="#226">226</a>                     }
<a class="jxr_linenumber" name="227" href="#227">227</a>                     c = str.charAt(++i);
<a class="jxr_linenumber" name="228" href="#228">228</a>                     <strong class="jxr_keyword">switch</strong> (c) {
<a class="jxr_linenumber" name="229" href="#229">229</a>                         <strong class="jxr_keyword">case</strong> 'n':
<a class="jxr_linenumber" name="230" href="#230">230</a>                             buf.append('\n');
<a class="jxr_linenumber" name="231" href="#231">231</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="232" href="#232">232</a>                         <strong class="jxr_keyword">case</strong> 't':
<a class="jxr_linenumber" name="233" href="#233">233</a>                             buf.append('\t');
<a class="jxr_linenumber" name="234" href="#234">234</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="235" href="#235">235</a>                         <strong class="jxr_keyword">case</strong> 'r':
<a class="jxr_linenumber" name="236" href="#236">236</a>                             buf.append('\r');
<a class="jxr_linenumber" name="237" href="#237">237</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="238" href="#238">238</a>                         <strong class="jxr_keyword">case</strong> 'u':
<a class="jxr_linenumber" name="239" href="#239">239</a>                             <strong class="jxr_keyword">int</strong> value = 0;
<a class="jxr_linenumber" name="240" href="#240">240</a>                             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j &lt; 4; j++) {
<a class="jxr_linenumber" name="241" href="#241">241</a>                                 c = str.charAt(++i);
<a class="jxr_linenumber" name="242" href="#242">242</a>                                 <strong class="jxr_keyword">switch</strong> (c) {
<a class="jxr_linenumber" name="243" href="#243">243</a>                                     <strong class="jxr_keyword">case</strong> '0':
<a class="jxr_linenumber" name="244" href="#244">244</a>                                     <strong class="jxr_keyword">case</strong> '1':
<a class="jxr_linenumber" name="245" href="#245">245</a>                                     <strong class="jxr_keyword">case</strong> '2':
<a class="jxr_linenumber" name="246" href="#246">246</a>                                     <strong class="jxr_keyword">case</strong> '3':
<a class="jxr_linenumber" name="247" href="#247">247</a>                                     <strong class="jxr_keyword">case</strong> '4':
<a class="jxr_linenumber" name="248" href="#248">248</a>                                     <strong class="jxr_keyword">case</strong> '5':
<a class="jxr_linenumber" name="249" href="#249">249</a>                                     <strong class="jxr_keyword">case</strong> '6':
<a class="jxr_linenumber" name="250" href="#250">250</a>                                     <strong class="jxr_keyword">case</strong> '7':
<a class="jxr_linenumber" name="251" href="#251">251</a>                                     <strong class="jxr_keyword">case</strong> '8':
<a class="jxr_linenumber" name="252" href="#252">252</a>                                     <strong class="jxr_keyword">case</strong> '9':
<a class="jxr_linenumber" name="253" href="#253">253</a>                                         value = (value &lt;&lt; 4) + c - '0';
<a class="jxr_linenumber" name="254" href="#254">254</a>                                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="255" href="#255">255</a>                                     <strong class="jxr_keyword">case</strong> 'a':
<a class="jxr_linenumber" name="256" href="#256">256</a>                                     <strong class="jxr_keyword">case</strong> 'b':
<a class="jxr_linenumber" name="257" href="#257">257</a>                                     <strong class="jxr_keyword">case</strong> 'c':
<a class="jxr_linenumber" name="258" href="#258">258</a>                                     <strong class="jxr_keyword">case</strong> 'd':
<a class="jxr_linenumber" name="259" href="#259">259</a>                                     <strong class="jxr_keyword">case</strong> 'e':
<a class="jxr_linenumber" name="260" href="#260">260</a>                                     <strong class="jxr_keyword">case</strong> 'f':
<a class="jxr_linenumber" name="261" href="#261">261</a>                                         value = (value &lt;&lt; 4) + 10 + c - 'a';
<a class="jxr_linenumber" name="262" href="#262">262</a>                                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="263" href="#263">263</a>                                     <strong class="jxr_keyword">case</strong> 'A':
<a class="jxr_linenumber" name="264" href="#264">264</a>                                     <strong class="jxr_keyword">case</strong> 'B':
<a class="jxr_linenumber" name="265" href="#265">265</a>                                     <strong class="jxr_keyword">case</strong> 'C':
<a class="jxr_linenumber" name="266" href="#266">266</a>                                     <strong class="jxr_keyword">case</strong> 'D':
<a class="jxr_linenumber" name="267" href="#267">267</a>                                     <strong class="jxr_keyword">case</strong> 'E':
<a class="jxr_linenumber" name="268" href="#268">268</a>                                     <strong class="jxr_keyword">case</strong> 'F':
<a class="jxr_linenumber" name="269" href="#269">269</a>                                         value = (value &lt;&lt; 4) + 10 + c - 'A';
<a class="jxr_linenumber" name="270" href="#270">270</a>                                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="271" href="#271">271</a>                                     <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="272" href="#272">272</a>                                         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Malformed &#92;&#92;uxxxx encoding."</span>);
<a class="jxr_linenumber" name="273" href="#273">273</a>                                 }
<a class="jxr_linenumber" name="274" href="#274">274</a>                             }
<a class="jxr_linenumber" name="275" href="#275">275</a>                             buf.append((<strong class="jxr_keyword">char</strong>) value);
<a class="jxr_linenumber" name="276" href="#276">276</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="277" href="#277">277</a>                         <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="278" href="#278">278</a>                             buf.append(c);
<a class="jxr_linenumber" name="279" href="#279">279</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="280" href="#280">280</a>                     }
<a class="jxr_linenumber" name="281" href="#281">281</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="282" href="#282">282</a>                 <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="283" href="#283">283</a>                     buf.append(c);
<a class="jxr_linenumber" name="284" href="#284">284</a>             }
<a class="jxr_linenumber" name="285" href="#285">285</a>         }
<a class="jxr_linenumber" name="286" href="#286">286</a>         <strong class="jxr_keyword">return</strong> buf.toString();
<a class="jxr_linenumber" name="287" href="#287">287</a>     }
<a class="jxr_linenumber" name="288" href="#288">288</a> 
<a class="jxr_linenumber" name="289" href="#289">289</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../com/katesoft/scale4j/common/utils/StringUtility.html">StringUtility</a>() {}
<a class="jxr_linenumber" name="290" href="#290">290</a> }
</pre>
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